# [Topic-models] Why is E step of LDA iterative

Thu Nov 13 21:35:09 EST 2008

Hi, all

Why is the E step of LDA iterative? I mean the updating formula of \gamma
and \phi.

In my algorithm, there are more variables to be updated in E step,

is there any situation that such iterative E step does not converge or
oscillate repeatedly?

Shao

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